Ключевые слова: access, accident, alert, attention, background, banner, black, business, careful, caution, color, concept, concrete, construction, cordon, danger, dangerous, design, do not enter, entrance, graphic, grunge, hazardous, industrial, information, isolated, label, message, notice, prohibition, protection, red, restriction, road, rough texture, safety, security, sign, stop, stripes, symbol, text, traffic, trafic, warning, web, white, work, yellow,